Effect of Knoxweed on the Control of Weeds in Paddy Rice

W.L. Chang; 張萬來

Effect of Knoxweed on the Control of Weeds in Paddy Rice

Other Title

水田殺草劑 Knoxweed 之治草效果

Journal

農業研究

Journal Volume

17

Journal Issue

4

Start Page

34

End Page

40

Date Issued

1968-12-04

Date

1968-12-04

Author(s)

W.L. Chang

張萬來

URI

https://scholars.tari.gov.tw/handle/123456789/13744

Abstract

Several combinations of Knoxweed (Eptam + MCPA) were evaluated for their weed control effect at the Chiayi Agricultural Experiment Station in the first crop of 1968. All treatments of Eptam + MCPA were found to be highly effective in controlling weeds in paddy rice and its effect was found to last more than 8 weeks after the application of this chemical. However, Eptam+ MCPA caused severe phytotoxicity to rice. Rice toxicity was found to be related to the rate of MCPA, the higher the MCPA rate, the heavier the rice toxicity. As a result, grain yields of all Eptam + MCPA treatments were 12.1 to 29.3% lower than that of hand weeded check. 有效成份含量不同之Knoxweed若干種經本分所於57年第一期作水稻田試驗結果，發現不同成分之處理均具優良之治草效果，但因對水稻之藥害極為嚴重，其每公頃稻谷產量僅達人工除草區之71~88%。

Publisher

農業試驗所

Type

journal article

File(s)

Name

journal_arc_17-4-4.pdf

Size

623.79 KB

Format

Adobe PDF

Checksum

(MD5):e0658b5b546353cbb53929abb1c3ad59